(3TQM bGfhf GdCLQGAGJ GdLfGFjI (B/s - (3eMehO eMehO eUWais ((3GdEScfOQjI (B:s (3OGQ fTQ GdKbGaI,s, 1953)
(3jTJed Ydi EQLGYGJ HHdjhLQGajI(B.s
(3GdfU HGddZI GdYQHjIs
Keywords: (3bGfhf GdCLQGAGJ GdLfGFjIs